Experts affirm that drinking plain sparkling water is generally safe for hydration, although it may cause gas and bloating in some individuals.

A recent study published in BMJ Nutrition, Prevention & Health indicates that carbonated water may have a minor impact on blood sugar levels, which could theoretically support weight loss.

The research draws parallels between drinking fizzy water and the haemodialysis process, highlighting that the impact of carbonated water on glucose levels is limited.

During dialysis, blood sugar levels can decrease significantly, suggesting that similar processes could occur with sparkling water, albeit on a smaller scale.

However, the study found that the effect of CO2 on blood sugar levels is minimal, with only 9.5 grams of sugar utilized after four hours of dialysis.

Dr. Akira Takahashi, the study's author, stresses that while carbonated water may have some benefits, exercise and a balanced diet are essential for effective weight management.

The study suggests that carbonated beverages can act as appetite suppressants by creating gastric distension, which may lead to feelings of fullness.

Despite its benefits, the acidic nature of sparkling water raises concerns about dental health, as it can weaken tooth enamel.

Professor Sumantra Ray emphasizes the need for further research to establish a direct link between carbonated water and glucose metabolism.

While carbonated water may offer some benefits, potential harms, especially from additives like sodium or glucose, must also be considered.

The NHS recommends regular physical activity and a balanced diet as the most effective strategies for weight management.

Sparkling water may enhance feelings of fullness by prolonging food retention in the stomach, potentially aiding appetite control.